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28 votes
28 votes
Solve this quadratic via factoring:

f(x) = x^2 + 9x + 14

Also please explain how you got the answer. Thanks!

User Woodham
by
2.7k points

1 Answer

12 votes
12 votes

Answer:

The answer is

x

=

7

and

x

=

2

.

Factor the left side of the equation.

(

x

7

)

(

x

2

)

=

0

Solve each term in the product separately.

x

7

=

0

Add 7 to both sides.

x

=

7

x

2

=

0

Add 2 to both sides.

x

=

2

Check.

x

=

7

7

2

9

(

7

)

+

14

=

0

49

63

+

14

=

0

x

=

2

2

2

9

(

2

)

+

14

=

0

4

18

+

14

=

0

Answer link

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User Macko
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